Βιολογική Γεωργία
Organic Apple Production Manual |
A Colour Handbook of Biological Control in Plant Protection |
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Crop Protection in Medieval Agriculture |
Organic Vegetable Production Manual |
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Fresh Culinary Herb Production |
Organic Strawberry Production Manual |
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Biological Control in the Tropics |
Science and Technology of Organic Farming |
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Organic Winegrowing Manual |
Origins of the Organic Agriculture Debate |